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                ORM Extensions
            
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<div class="section" id="orm-extensions">
<span id="sqlalchemy-ext"></span><span id="plugins"></span><h1>ORM Extensions<a class="headerlink" href="#orm-extensions" title="Permalink to this headline">¶</a></h1>
<p>SQLAlchemy has a variety of ORM extensions available, which add additional
functionality to the core behavior.</p>
<p>The extensions build almost entirely on public core and ORM APIs and users should
be encouraged to read their source code to further their understanding of their
behavior.   In particular the &#8220;Horizontal Sharding&#8221;, &#8220;Hybrid Attributes&#8221;, and
&#8220;Mutation Tracking&#8221; extensions are very succinct.</p>
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<li class="toctree-l1"><a class="reference internal" href="associationproxy.html">Association Proxy</a></li>
<li class="toctree-l1"><a class="reference internal" href="declarative.html">Declarative</a></li>
<li class="toctree-l1"><a class="reference internal" href="mutable.html">Mutation Tracking</a></li>
<li class="toctree-l1"><a class="reference internal" href="orderinglist.html">Ordering List</a></li>
<li class="toctree-l1"><a class="reference internal" href="horizontal_shard.html">Horizontal Sharding</a></li>
<li class="toctree-l1"><a class="reference internal" href="hybrid.html">Hybrid Attributes</a></li>
<li class="toctree-l1"><a class="reference internal" href="instrumentation.html">Alternate Class Instrumentation</a></li>
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